![]() ![]() And it's also about the fact that seeing apple's history, sooner or later they're going to complete remove opengl from macOS, at which point many apps including krita would just suddenly so working. macOS hasn't supported opengl for quite some time and to my understanding doesn't update the API to newer versions, thus not getting new performance enhancements. Its not really about opengl being bad or anything like that. So it does not come from opengl, plus, using opengl really help to support older GPUs, not supported by Vulkan. The lack of performance you see in krita doesn't come from opengl, but from the fact that krita does not fully use the full capacity of parallelism of GPUs in the rendering process, and still do lot of the rendering with the CPU. ![]() You can see Vulkan like a next version of opengl (and cool new name), with more convenience for developpers, and closer to the architecture of GPUs, allowing to do kinda more stuffs. You have to know that opengl doesn't lack of performances, and lastest versions are pretty capable.
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